/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.runners.gaia;



import com.bff.gaia.unified.runners.core.SplittableParDoViaKeyedWorkItems;

import com.bff.gaia.unified.runners.core.construction.PTransformMatchers;

import com.bff.gaia.unified.runners.core.construction.PTransformTranslation;

import com.bff.gaia.unified.runners.core.construction.SplittableParDo;

import com.bff.gaia.unified.runners.core.construction.SplittableParDoNaiveBounded;

import com.bff.gaia.unified.sdk.runners.PTransformOverride;

import com.bff.gaia.unified.sdk.transforms.PTransform;

import com.bff.gaia.unified.vendor.guava.com.google.common.collect.ImmutableList;



import java.util.List;



import static com.bff.gaia.unified.vendor.guava.com.google.common.base.Preconditions.checkNotNull;



/** {@link PTransform} overrides for Gaia runner. */

class GaiaTransformOverrides {

  static List<PTransformOverride> getDefaultOverrides(GaiaPipelineOptions options) {

    ImmutableList.Builder<PTransformOverride> builder = ImmutableList.builder();

    builder

        .add(

            PTransformOverride.of(

                PTransformMatchers.splittableParDo(), new SplittableParDo.OverrideFactory()))

        .add(

            PTransformOverride.of(

                PTransformMatchers.urnEqualTo(PTransformTranslation.SPLITTABLE_PROCESS_KEYED_URN),

                options.isStreaming()

                    ? new SplittableParDoViaKeyedWorkItems.OverrideFactory()

                    : new SplittableParDoNaiveBounded.OverrideFactory()));

    if (options.isStreaming()) {

      builder

          .add(

              PTransformOverride.of(

                  PTransformMatchers.writeWithRunnerDeterminedSharding(),

                  new GaiaStreamingPipelineTranslator.StreamingShardedWriteFactory(

                      checkNotNull(options))))

          .add(

              PTransformOverride.of(

                  PTransformMatchers.urnEqualTo(PTransformTranslation.CREATE_VIEW_TRANSFORM_URN),

                  CreateStreamingGaiaView.Factory.INSTANCE));

    }

    return builder.build();

  }

}